*{
    padding: 0;
    margin: 0;
}
body{
    background: url("images/downloan_bg.jpg") no-repeat;
    background-size: 100% 100%;
    font-family: "Lucida Grande", "Lucida Sans Unicode", Verdana, Arial, Helvetica, sans-serif;
    width: 100%;
    padding-bottom: 20px;
    overflow: hidden;
    max-width: 640px;
    margin: 0 auto;
}
.title{
    width: 100%;
    text-align: center;
    margin-top: 50px;
}
.title img{
    width: 80%;
}
.describe{
    font-size: 16px;
    color: #fff;
    width: 70%;
    margin: 120px auto 0;
    transform: scale(0.5);
    opacity: 0.3;
    transition: all 0.5s;
}
.btn{
    width: 70%;
    height: 50px;
    border: 2px solid #ffffff;
    overflow: hidden;
    font-size: 24px;
    border-radius: 8px;
    margin: 25px auto 0;
    color: #ffffff;
    padding: 0 10px;
    transition: all .7s;
    opacity: .3;
}
.btn span{
    float: right;
    margin-top: 8px;
}
.btn img{
    width: 40px;
    height: 40px;
    margin-top: 5px;
}
a{
    color: #ffffff;
}

.mask{
    width: 100%;
    height: 100%;
    position: absolute;
    font-size: 14px;
    color: #ffffff;
    top: 0;
    text-align: right;
    background: rgba(0,0,0,.8);
    line-height: 50px;
    display: none;
}
.mask p{
    padding-right: 10px;
}
.mask p img{
    vertical-align: sub;
}
.btns{

}
.btn1{
    transform: translateX(-100px);
}
.btn2{
    transform: translateX(100px);
}